<template>
  <div class="about">
    <div id="main" style="width: 800px; height: 800px"></div>
  </div>
</template>
<script>
export default {
  mounted() {
    this.initEcharts();
  },
  methods: {
    initEcharts() {
      var chartDom = document.getElementById("main");
      var myChart = this.$echarts.init(chartDom);
      var option;

      option = {
        title: {
          text: "学习情况统计图",
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#6a7985",
            },
          },
        },
        legend: {
          data: [
            "学习情况",
            "出勤情况",
            "Video Ads",
            "Direct",
            "Search Engine",
          ],
        },
        //图例
        toolbox: {
          feature: {
            saveAsImage: {},
          },
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true,
        },
        xAxis: [
          {
            type: "category",
            boundaryGap: false,
            data: ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
          },
        ],
        yAxis: [
          {
            type: "value",
          },
        ],
        series: [
          {
            name: "学习情况",
            type: "line",
            stack: "Total",
            areaStyle: {},
            emphasis: {
              focus: "series",
            },
            data: [300, 132, 101, 134, 90, 230, 210],
          },
          {
            name: "出勤情况",
            type: "line",
            stack: "Total",
            areaStyle: {},
            emphasis: {
              focus: "series",
            },
            data: [220, 182, 191, 234, 290, 330, 310],
          },
          {
            name: "Video Ads",
            type: "line",
            stack: "Total",
            areaStyle: {},
            emphasis: {
              focus: "series",
            },
            data: [150, 232, 201, 154, 190, 330, 410],
          },
          {
            name: "Direct",
            type: "line",
            stack: "Total",
            areaStyle: {},
            emphasis: {
              focus: "series",
            },
            data: [320, 332, 301, 334, 390, 330, 320],
          },
          {
            name: "Search Engine",
            type: "line",
            stack: "Total",
            label: {
              show: true,
              position: "top",
            },
            areaStyle: {},
            emphasis: {
              focus: "series",
            },
            data: [820, 932, 901, 934, 1290, 1330, 1320],
          },
        ],
      };

      option && myChart.setOption(option);
    },
  },
};
</script>
